1．He ________ (插入) the key into the lock，turned it and then opened the door.
2．The driver reminded the passengers to take their l________ with them.
3．A________，she was shocked when she witnessed the violent scene.
4．A red sky at night i________ fine weather the following day.
5．They failed to g________ the full significance of his remarks.
【答案】1.inserted 2.luggage 3.Apparently 4.indicates 5.grasp
